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Aero Precision M5E1 AR-10 Upper Receiver + 15" Free Float Rail Combo Set

This item may have cosmetic blemishes. Functionality is not affected.


The state of the art M5E1 platform starts with the M5E1 Upper Receiver. The M5E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Since the rail mounting surface and upper are of the same forging, not only is it a stronger system, but it also provides for easy installation of the gas tube with a pre-aligned gas tube hole. Additional lightening cuts save weight and allow for more efficient cooling.


Easy barrel installation - Simply insert your barrel assembly into the M5E1 upper and tighten it using the provided barrel nut and wrench. Then slide your rail on and tighten the screws. Within minutes you have a modular, free-floated rail.


The state-of-the-art Enhanced Upper Receiver combines the handguard mounting platform with the upper itself, condensing the parts needed to mount a free-floated handguard to a mere 8 screws. Our Gen 2 proprietary handguards are designed specifically for our Enhanced Series Upper Receiver and are meant to be purchased together.

Includes:

  • M5E1 Enhanced Upper Receiver
  • M5 Gen 2 Enhanced Handguard of choice
  • Handguard mounting screws
  • Barrel Nut

M5E1 Upper Features:

  • Forged from 7075 T6 aluminum
  • Precision machined to our specs
  • M4 feedramps
  • Laser engraved T-marks (Anodized only)
  • .2795” takedown pin holes
  • Accepts standard DPMS .308 components
  • Comes with forward assist and port door installed
  • Handguard mounting platform is forged into the receiver

NEW Gen 2 Enhanced Handguard Features:

  • Added quick disconnect sling socket at the 3, 6 and 9 o’clock positions
  • Milled additional surfaces along flats to aid with gripping and add visual appeal
  • New profile of the Picatinny Top Rail
  • 1pc free float design
  • Rail is Machined from 6061-T6 Aluminum
  • Built in Anti-Rotation tabs
  • Scalloped rails
  • Continuous top rail
  • 1.72" inside diameter fits most muzzle devices and 1.5" suppressors
  • Compatible with low profile gas blocks

Torque to 65 ft. lbs. with a standard AR15 Armorer’s Wrench



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In my Honest Opinion, the Aero Precision M4E1/M5E1 AR Uppers are the Best Uppers Made! Half the fun of building an Ar using Aero Blem parts is trying to find the actual "blemish", and I've yet to find one. Excellent quality, excellent price @ Tom's Tactical. Bottom line, If you are going to build a .308 or other large cal AR platform, the Aero Precision M5E1 is the best design out there!

03/13/2017

Couldnt find a flaw, fast shipping....my m5e1 is a beast

03/04/2017

Easiest barrel attachment ever! The upper/handguard combo looks great with my 20" barrel. Blems were hard to notice. Super simple and sturdy attachment. If I build another .308, Tom's Tactical will be my first stop. Best price by far.

02/28/2017

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Aero Precision M5E1 AR-10 308 Upper Receiver + 15" Free Float Rail - Gen 2 BLEM

  • Brand: Aero Precision
  • Product Code: APAR308554BLEM
  • Availability: In Stock
  • $337.50
  • $239.95
  • Free Shipping

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